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#include "converter/pos_id_printer.h"

#include <istream>
#include <map>
#include <string>
#include <vector>

#include "base/file_stream.h"
#include "base/logging.h"
#include "base/number_util.h"
#include "base/port.h"
#include "absl/strings/str_split.h"
#include "absl/strings/string_view.h"

namespace mozc {
namespace internal {

PosIdPrinter::PosIdPrinter(std::istream *id_def) {
  if (id_def == nullptr) {
    return;
  }

  std::string line;
  while (std::getline(*id_def, line)) {
    const std::vector<absl::string_view> columns =
        absl::StrSplit(line, ' ', absl::SkipEmpty());
    CHECK_EQ(2, columns.size());
    const int id = NumberUtil::SimpleAtoi(columns[0]);
    id_to_pos_map_[id] = std::string(columns[1]);
  }
}

PosIdPrinter::~PosIdPrinter() {}

std::string PosIdPrinter::IdToString(int id) const {
  std::map<int, std::string>::const_iterator iter = id_to_pos_map_.find(id);
  if (iter == id_to_pos_map_.end()) {
    return "";
  }
  return iter->second;
}

}  // namespace internal
}  // namespace mozc
